TREA

Ryo Namiki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Solar battery timepiece
    • Patent number 4,276,629
    • Issue date Jun 30, 1981
    • Citizen Watch Company Limited
    • Osamu Matsumura
    • G04 - HOROLOGY
  • Information Patent Grant

    Electronic calculator watch
    • Patent number 4,268,913
    • Issue date May 19, 1981
    • Citizen Watch Co., Ltd.
    • Tadahiko Nakagiri
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Construction of an analogue crystal wrist watch
    • Patent number 4,198,809
    • Issue date Apr 22, 1980
    • Citizen Watch Co., Ltd.
    • Kenzi Miyasaka
    • G04 - HOROLOGY
  • Information Patent Grant

    Solar battery timepiece
    • Patent number 4,165,604
    • Issue date Aug 28, 1979
    • Citizen Watch Co., Ltd.
    • Osamu Matsumura
    • G04 - HOROLOGY
  • Information Patent Grant

    Electronic wrist watch
    • Patent number 4,152,888
    • Issue date May 8, 1979
    • Citizen Watch Co., Ltd.
    • Ryo Namiki
    • G04 - HOROLOGY